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Two men are running in the same direction with speeds
of 6 km per hour and 7 1/2k m
per respectively. A train running in the same
direction crosses them in 5 sec and 5 1/2
sec respectively. The length and the speed of the
train are respectively.
22.92 m (approximately) and 22 km per
hour
22 m (approximately) and 22.5 km per
hour
22.90 m (approximately) and 20.5 km per
hour
22.92 m (approximately) and 22.5 km per
hour